@charset "UTF-8";
body {
  padding: 0;
  margin: 0;
  line-height: 1.6;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #444; }

a {
  color: inherit;
  text-decoration: none; }
a:hover {
  color: #1094e8; }

img {
  max-width: 100%;
  height: auto;
  display: inline-block;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.6; }

.main {
  position: relative;
  width: 780px;
  margin: 0 auto;
  padding: 15px;
  box-sizing: border-box; }

@media screen and (max-width: 1310px) {
  .post-toc-aside {
    display: none; } }

@media screen and (max-width: 780px) {
  .main {
    width: 100%;
    margin-top: 50px;
    padding: 0 15px;
    box-sizing: border-box; } }

h1 {
  font-size: 26px; }

h2 {
  font-size: 24px; }

h3 {
  font-size: 20px; }

h4 {
  font-size: 16px; }

h5 {
  font-size: 14px; }

h6 {
  font-size: 12px; }

.header {
  position: relative;
  background: #171f26;
  padding: 10px 0;
  box-shadow: 0 1px 3px rgba(26, 26, 26, 0.1);
  font-family: Lato, "Helvetica Neue", Helvetica, Arial, sans-serif; }
.header .header-inner {
  width: 780px;
  margin: 0 auto; }
.header .header-inner .header-nav-link {
  display: inline-block;
  line-height: 50px;
  padding: 0 15px;
  font-size: 15px;
  color: #ffffff;
  opacity: 0.7;
  transition: .2s; }
.header .header-inner .header-nav-link:hover {
  color: #1094e8;
  opacity: 1; }

@media screen and (max-width: 780px) {
  .header {
    display: none; } }

.mobile-header {
  display: none;
  position: fixed;
  z-index: 2;
  top: 0;
  width: 100%;
  height: 50px; }
.mobile-header .mobile-nav {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  background: #171f26;
  box-shadow: 0 1px 3px rgba(26, 26, 26, 0.1);
  text-align: center; }
.mobile-header .mobile-nav .mobile-nav-icon {
  width: 50px;
  height: 50px;
  float: left;
  position: relative; }
.mobile-header .mobile-nav .mobile-nav-icon span {
  position: absolute;
  left: 15px;
  top: 25px;
  width: 20px;
  height: 1px;
  background: #0e83cd; }
.mobile-header .mobile-nav .mobile-nav-icon span:nth-child(1) {
  transform: translateY(-6px); }
.mobile-header .mobile-nav .mobile-nav-icon span:nth-child(3) {
  transform: translateY(6px); }
.mobile-header .mobile-nav .mobile-nav-title {
  display: inline-block;
  height: 100%;
  line-height: 50px;
  margin-right: 50px;
  font-family: '-apple-system,  "PingFang SC","Helvetica Neue",  "Microsoft YaHei"';
  font-size: 24px; }
.mobile-header .mobile-nav .mobile-nav-title-link {
  color: white;
  opacity: 0.7; }
.mobile-header .mobile-menu {
  display: none;
  position: fixed;
  top: 50px;
  width: 100%;
  background: white;
  box-shadow: 0 2px 2px #cacaca; }
.mobile-header .mobile-menu .mobile-menu-list {
  list-style: none;
  margin: 20px 0;
  padding-left: 30px; }
.mobile-header .mobile-menu .mobile-menu-item {
  text-align: left;
  margin: 10px 0;
  font-size: 15px;
  color: #999; }
.mobile-header .mobile-menu .mobile-menu-item > .iconfont {
  padding-right: 5px; }
.mobile-header .mobile-menu.show-menu {
  animation: showMenu 0.4s forwards;
  display: block; }
.mobile-header .mobile-menu.hide-menu {
  animation: hideMenu 0.4s forwards;
  display: block;
  transform: translateY(0); }

.mobile-nav-icon.show-menu span:nth-child(1) {
  animation: first-icon-open 0.4s both; }

.mobile-nav-icon.show-menu span:nth-child(2) {
  display: none; }

.mobile-nav-icon.show-menu span:nth-child(3) {
  animation: third-icon-open 0.4s both; }

.mobile-nav-icon.hide-menu span:nth-child(1) {
  animation: first-icon-close 0.4s both; }

.mobile-nav-icon.hide-menu span:nth-child(2) {
  display: block; }

.mobile-nav-icon.hide-menu span:nth-child(3) {
  animation: third-icon-close 0.4s both; }

@keyframes first-icon-open {
  from {
    transform: rotate(0) translateY(-6px); }
  to {
    transform: rotate(45deg) translateY(0); } }

@keyframes first-icon-close {
  from {
    transform: rotate(45deg) translateY(0); }
  to {
    transform: rotate(0) translateY(-6px); } }

@keyframes third-icon-open {
  from {
    transform: rotate(0) translateY(6px); }
  to {
    transform: rotate(-45deg) translateY(0); } }

@keyframes third-icon-close {
  from {
    transform: rotate(-45deg) translateY(0); }
  to {
    transform: rotate(0) translateY(6px); } }

@keyframes showMenu {
  from {
    opacity: 0;
    transform: translateY(-100%); }
  to {
    opacity: 1;
    transform: translateY(0); } }

@keyframes hideMenu {
  from {
    opacity: 1;
    transform: translateY(0); }
  to {
    opacity: 1;
    transform: translateY(-100%); } }

@media screen and (max-width: 780px) {
  .mobile-header {
    display: block; } }

.post-abstract, .post-whole {
  padding-top: 25px; }
.post-abstract .post-title h2, .post-whole .post-title h2 {
  font-weight: 400;
  margin: 0; }
.post-abstract .post-title-link, .post-whole .post-title-link {
  color: #444; }
.post-abstract .post-time, .post-abstract .post-category, .post-abstract .post-visit, .post-whole .post-time, .post-whole .post-category, .post-whole .post-visit {
  color: #999;
  font-size: 14px; }
.post-abstract .post-category::before, .post-abstract .post-visit::before, .post-whole .post-category::before, .post-whole .post-visit::before {
  content: '·'; }
.post-abstract .post-content, .post-whole .post-content {
  font-size: 15px; }
.post-abstract .post-content a, .post-whole .post-content a {
  color: #0e83cd;
  word-break: break-all; }
.post-abstract .post-content a:hover, .post-whole .post-content a:hover {
  text-decoration: underline; }
.post-abstract .post-content ul, .post-whole .post-content ul {
  padding-left: 0; }

.post-abstract {
  padding-bottom: 20px;
  border-bottom: 1px solid #e6e6e6; }
.post-abstract .read-more-link {
  font-size: 1.1em;
  color: #0e83cd; }

.post-whole .post-content {
  border-bottom: 1px solid #e3e3e3; }

.post-whole .post-tag {
  padding: 15px 0; }
.post-whole .post-tag .tag {
  margin-right: 6px;
  color: #0e83cd; }
.post-whole .post-tag .tag::before {
  content: '#'; }
.post-whole .post-tag .tag:hover {
  color: #1094e8; }

code, pre {
  font-size: 14px;
  font-family: "Source Code Pro", Monaco, Menlo, Consolas, monospace; }

code {
  background: #eee;
  color: #4d4d4c;
  padding: 0 5px; }

blockquote {
  margin: 1em 0;
  padding: 10px 20px;
  border: 1px solid #e3e3e3;
  border-left: 5px solid #0af; }
blockquote p {
  margin: 0; }

.highlight {
  margin: 1em 0;
  background: #eee;
  border-radius: 4px;
  overflow-x: auto;
  box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.125);
  position: relative; }
.highlight table, .highlight tr, .highlight td {
  margin: 0;
  padding: 0;
  width: 100%;
  border-collapse: collapse; }
.highlight table {
  position: relative; }
.highlight table::after {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 2px 7px;
  font-size: 14px;
  content: 'Code';
  background: #e9e9e9; }
.highlight figcaption {
  position: absolute;
  z-index: 1;
  top: 0;
  width: 100%;
  background: #e9e9e9;
  padding: 2px 7px;
  box-sizing: border-box;
  overflow-x: hidden; }
.highlight figcaption > a {
  position: absolute;
  right: 0;
  margin-right: 8px; }
.highlight.html > table::after {
  content: "HTML"; }
.highlight.html > figcaption > span::after {
  content: " · HTML"; }
.highlight.html figcaption + table::after {
  display: none; }
.highlight.css > table::after {
  content: "CSS"; }
.highlight.css > figcaption > span::after {
  content: " · CSS"; }
.highlight.css figcaption + table::after {
  display: none; }
.highlight.javascript > table::after {
  content: "JavaScript"; }
.highlight.javascript > figcaption > span::after {
  content: " · JavaScript"; }
.highlight.javascript figcaption + table::after {
  display: none; }
.highlight.typescripe > table::after {
  content: "TypeScript"; }
.highlight.typescripe > figcaption > span::after {
  content: " · TypeScript"; }
.highlight.typescripe figcaption + table::after {
  display: none; }
.highlight.node > table::after {
  content: "NodeJs"; }
.highlight.node > figcaption > span::after {
  content: " · NodeJs"; }
.highlight.node figcaption + table::after {
  display: none; }
.highlight.scss > table::after {
  content: "Scss"; }
.highlight.scss > figcaption > span::after {
  content: " · Scss"; }
.highlight.scss figcaption + table::after {
  display: none; }
.highlight.less > table::after {
  content: "Less"; }
.highlight.less > figcaption > span::after {
  content: " · Less"; }
.highlight.less figcaption + table::after {
  display: none; }
.highlight.stylus > table::after {
  content: "Stylus"; }
.highlight.stylus > figcaption > span::after {
  content: " · Stylus"; }
.highlight.stylus figcaption + table::after {
  display: none; }
.highlight.java > table::after {
  content: "Java"; }
.highlight.java > figcaption > span::after {
  content: " · Java"; }
.highlight.java figcaption + table::after {
  display: none; }
.highlight.python > table::after {
  content: "Python"; }
.highlight.python > figcaption > span::after {
  content: " · Python"; }
.highlight.python figcaption + table::after {
  display: none; }
.highlight.php > table::after {
  content: "PHP"; }
.highlight.php > figcaption > span::after {
  content: " · PHP"; }
.highlight.php figcaption + table::after {
  display: none; }
.highlight.ruby > table::after {
  content: "Ruby"; }
.highlight.ruby > figcaption > span::after {
  content: " · Ruby"; }
.highlight.ruby figcaption + table::after {
  display: none; }
.highlight.c > table::after {
  content: "C"; }
.highlight.c > figcaption > span::after {
  content: " · C"; }
.highlight.c figcaption + table::after {
  display: none; }
.highlight.cpp > table::after {
  content: "C++"; }
.highlight.cpp > figcaption > span::after {
  content: " · C++"; }
.highlight.cpp figcaption + table::after {
  display: none; }
.highlight.swift > table::after {
  content: "Swift"; }
.highlight.swift > figcaption > span::after {
  content: " · Swift"; }
.highlight.swift figcaption + table::after {
  display: none; }
.highlight.objectivec > table::after {
  content: "Objective-C"; }
.highlight.objectivec > figcaption > span::after {
  content: " · Objective-C"; }
.highlight.objectivec figcaption + table::after {
  display: none; }
.highlight.go > table::after {
  content: "Go"; }
.highlight.go > figcaption > span::after {
  content: " · Go"; }
.highlight.go figcaption + table::after {
  display: none; }
.highlight.json > table::after {
  content: "JSON"; }
.highlight.json > figcaption > span::after {
  content: " · JSON"; }
.highlight.json figcaption + table::after {
  display: none; }
.highlight.xml > table::after {
  content: "XML"; }
.highlight.xml > figcaption > span::after {
  content: " · XML"; }
.highlight.xml figcaption + table::after {
  display: none; }
.highlight.yml > table::after {
  content: "YAML"; }
.highlight.yml > figcaption > span::after {
  content: " · YAML"; }
.highlight.yml figcaption + table::after {
  display: none; }
.highlight .gutter {
  width: 10px;
  color: #999; }
.highlight .gutter pre {
  margin: 0;
  padding: 30px 7px 10px; }
.highlight .code pre {
  margin: 0;
  padding: 30px 10px 10px; }
.highlight .code .name,
.highlight .code .title,
.highlight .code .section,
.highlight .code .selector-id,
.highlight .code .selector-class {
  color: #cdb314; }
.highlight .code .string,
.highlight .code .number,
.highlight .code .literal {
  color: #62a05d; }
.highlight .code .keyword,
.highlight .code .selector-tag,
.highlight .code .addition {
  color: #e28b12; }
.highlight .code .variable {
  color: #53a4d9; }
.highlight .code .comment,
.highlight .code .quote {
  color: #999; }
.highlight .code .built_in,
.highlight .code .deletion,
.highlight .code .meta {
  color: #c92027; }

table {
  max-width: 100%;
  border: 1px solid #e3e3e3;
  margin: 1em 0;
  border-collapse: separate;
  border-spacing: 0;
  vertical-align: middle; }
table tr td, table tr th {
  padding: 5px 10px;
  text-align: left;
  vertical-align: middle; }
table tbody tr:nth-child(even) {
  background: #eee; }

.post-toc {
  width: 240px;
  padding: 0 10px;
  font-family: Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
  color: #444;
  box-sizing: border-box;
  position: absolute;
  margin-left: 770px; }
.post-toc .post-toc-title {
  display: inline-block;
  border-top: 1px solid #e3e3e3;
  padding: 7px 0;
  color: #0e83cd; }
.post-toc .toc-link {
  width: 100%;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  font-family: inherit;
  padding: 7px 0;
  display: block;
  line-height: 1; }
.post-toc .toc-link:hover {
  color: #1094e8; }
.post-toc .toc-link.active {
  color: #0e83cd; }
.post-toc ol {
  list-style: none;
  padding-left: 15px; }
.post-toc > ol {
  margin: 0;
  padding: 0; }
.post-toc .back-to-top {
  margin-top: 30px; }

@media screen and (max-width: 1310px) {
  .post-toc {
    display: none; } }

.archive {
  padding: 1em 0; }
.archive .archive-timeline {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; }
.archive .archive-timeline .archive-year {
  font-weight: 400;
  font-size: 28px;
  margin: 15px 0; }
.archive .archive-post {
  padding: 4px 20px;
  border-left: 1px solid #e3e3e3; }
.archive .archive-post .archive-post-time {
  margin-right: 10px; }
.archive .archive-post:hover {
  border-left: 3px solid #1094e8;
  transform: translateX(3px);
  transition: 0.3s ease-out; }
.archive .archive-post:hover .archive-post-link {
  color: #1094e8; }

.tags {
  padding: 2em 0; }

.tags-list .tags-list-item {
  margin-right: 15px; }
.tags-list .tags-list-item::before {
  content: '#'; }

.tags-archives {
  margin-top: 15px; }
.tags-archives .tag-text {
  display: inline-block;
  margin: 20px 0 5px 0;
  font-size: 20px; }
.tags-archives .tags-post {
  padding: 4px 20px;
  border-left: 1px solid #e3e3e3; }
.tags-archives .tags-post:hover {
  border-left: 3px solid #1094e8;
  transform: translateX(3px);
  transition: 0.3s ease-out; }
.tags-archives .tags-post:hover .tags-post-title {
  color: #1094e8; }

.paginator {
  font-family: Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 20px;
  margin: 1em 0; }
.paginator::after {
  content: "";
  clear: both;
  display: block;
  overflow: hidden;
  height: 0;
  zoom: 1; }
.paginator .prev {
  float: left;
  transition: .3s ease-out; }
.paginator .prev:hover {
  color: #1094e8;
  transform: translateX(-4px); }
.paginator .next {
  float: right;
  transition: .3s ease-out; }
.paginator .next:hover {
  color: #1094e8;
  transform: translateX(4px); }
.paginator .nav-mobile {
  display: none; }
@media screen and (max-width: 780px) {
  .paginator .nav-mobile {
    display: inline; }
  .paginator .nav-default {
    display: none; } }

.post-copyright {
  padding: 10px;
  font-size: 16px;
  border-bottom: 1px solid #e3e3e3; }
.post-copyright .post-copyright-item {
  margin: 5px 0; }
.post-copyright .post-copyright-item a {
  color: #0e83cd; }
.post-copyright .post-copyright-item a:hover {
  color: #1094e8; }

.footer-social {
  text-align: center;
  color: #444;
  font-size: 14px; }

.social-link + .social-link {
  margin-left: 10px; }

.social-link .iconfont {
  font-size: 30px;
  color: #444; }

.footer-copyright .time-line {
  margin: 5px 0; }
.footer-copyright .time-line .iconfont {
  font-size: 12px; }

.footer-copyright .theme-info {
  margin: 0;
  margin-bottom: 15px; }

.video-container {
  position: relative;
  padding-bottom: 56.2%;
  /* 16:9 */ }

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%; }

.banner_title{
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%,-50%);
  font-size: 30px;
  line-height: 35px;
  color: #fff;
}

#totop {
  position: fixed;
  right: 50px;
  bottom: 50px;
  display: block;
  visibility: hidden;
  width: 54px;
  height: 54px;
  line-height: 54px;
  /*overflow: hidden;*/
  color: #40759b;
  text-align: center;
  text-decoration: none;
  font-weight: normal;
  opacity: 0;
  -webkit-transition: visibility 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), opacity 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), -webkit-transform 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335);
  -moz-transition: visibility 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), opacity 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), -moz-transform 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335);
  -webkit-transition: visibility 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), opacity 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), -webkit-transform 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335);
  -moz-transition: visibility 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), opacity 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), -moz-transform 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335);
  -ms-transition: visibility 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), opacity 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), -ms-transform 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335);
  transition: visibility 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), opacity 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335), transform 0.6s cubic-bezier(0.6, 0.04, 0.98, 0.335);
}
#totop:hover {
  text-shadow: 1px 2px 6px #113f6e;
}

#totop.launch {
  opacity: 0;
  -webkit-transform: translateY(-500px);
  -moz-transform: translateY(-500px);
  -ms-transform: translateY(-500px);
  -webkit-transform: translateY(-500px);
  -moz-transform: translateY(-500px);
  -ms-transform: translateY(-500px);
  transform: translateY(-500px);
  pointer-events: none;
}
#totop.show {
  visibility: visible;
  opacity: 1;
}